‘Stranger Things’: What Happened at the End of Season 4?

[Warning: The below contains Major spoilers for Stranger Things Season 4.] Stranger Things‘ final season is nearly here, and it’s been over three years since fans last visited Hawkins for a new adventure, which means it’s the perfect time for a refresher. If you can’t remember how Season 4 ended, fret not, because we’re breaking down all of the key need-to-know reveals from the most recent episode. From where things left off to what battle lies ahead, scroll down for a deep dive into how Season 4 wrapped up and how it’s likely to kick off Season 5. What happened with Vecna? As viewers may recall, Season 4’s big bad was Vecna (Jamie Campbell Bower), who…